Home / 129,250,113.12-178,365,734.64-70,512,600.24

Finding the Fourth Proportional to 129,250,113.12, 178,365,734.64 and 70,512,600.24

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Solution

The fourth proportional to 129,250,113.12, 178,365,734.64 and 70,512,600.24 is: 97,307,703.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,250,113.12 : 178,365,734.64 = 70,512,600.24 : x
  2. Step 2: Convert to fraction form
    129,250,113.12/178,365,734.64 = 70,512,600.24/x
  3. Step 3: Cross multiply
    129,250,113.12x = 178,365,734.64 × 70,512,600.24
  4. Step 4: Simplify right side
    129,250,113.12x = 12,577,031,743,184,238
  5. Step 5: Solve for x
    x = 12,577,031,743,184,238/129,250,113.12
  6. Step 6: Final answer
    x = 97,307,703.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.